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Forums
Engineering
General Engineering
Dimensional Analysis: Subtracting Units & Unitless Numbers
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[QUOTE="SteamKing, post: 5489363, member: 301881"] Uh, no, you can't just promote pure numbers to dimensions having units on a whim. I'm not sure what 2 in. - 1 (pure number) even means. You can add and subtract only like units. Dimensionless numbers have no units, thus they cannot be added or subtracted to any quantities which contain units. [/QUOTE]
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Forums
Engineering
General Engineering
Dimensional Analysis: Subtracting Units & Unitless Numbers
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